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1197
resultados
Última actualización
19/08/2025 [07:13:00]
Resultados 200 a 225 de 1197
Resumen de: US2025260096A1
The disclosure provides a battery core, a case body, a battery module, and a battery pack. The battery core provided by the disclosure includes the following. A case body is provided, and the case body has side surfaces and a bottom surface connected to each other. A composite layer includes a shear resistant layer and a connection layer. The shear resistant layer is connected to the case body through the connection layer. At least one of the shear resistant layer and the connection layer is an insulation layer, and the composite layer covers at least one of at least part of the side surfaces and at least part of the bottom surface. The battery core provided by the disclosure can ensure the shear strength of the composite layer covering the surface of the battery core, thereby the reliability of the battery core during use is improved.
Resumen de: US2025260004A1
A lithium-ion battery anode material containing surface-coated disordered rocksalt lithium vanadium oxide is disclosed. The surface coating contains a species selected from the group consisting of carbon, a metal oxide, a metalloid oxide, a metal fluoride, a metalloid fluoride, a metal phosphate, a metalloid phosphate, and combinations thereof. Materials, designs, synthesis methods, and devices related to fast-charging lithium-ion batteries are provided. This invention fills a technology gap by providing anode materials with disordered rocksalt lithium vanadium oxides to achieve fast charging in 10 minutes or less, greater than 200 W·h/kg energy density, a lifetime of at least 10,000 cycles, and improved battery safety. Methods of making and using the optionally surface-coated disordered rocksalt lithium vanadium oxide are disclosed. Many experimental examples are included, demonstrating several remarkable attributes of this battery technology.
Resumen de: US2025260012A1
A polyanionic compound has the following chemical formula: Na2+xMn1−yMySi2−zM′zO6−tNkXpYq(1), where in formula (1), M is selected from Ni, Fe, Cu, Zn, Mg, Al, or a combination thereof, M′ is selected from Ge, Sn, Ti, or a combination thereof, X is selected from S, Se, or a combination thereof, and Y is selected from F, Cl, or a combination thereof, where −0.2
Resumen de: US2025260095A1
The present invention relates to energy storage devices and more particularly to their design and manufacturing method. The energy storage device comprises an electrically isolated cylindrical sleeve housing open at both ends and closed with two separate end caps integrated with the current terminals with an improved design. The upper and lower end caps are integrated with the anode and cathode terminals, and the cylindrical sleeve housing is electrically isolated from both upper and lower end caps integrated with the current collector terminals. Unlike previously known solutions the cylindrical sleeve housing is electrically isolated both from the upper and lower current terminals which are integrated directly into the end caps wherein this is to avoid undesirable side reactions and the disruption of energy storage mechanism. Additionally, the upper and lower end caps are directly integrated with the current terminals and offer an improved design.
Resumen de: US2025260072A1
A sodium battery cell, a battery, and a power consuming apparatus. The sodium battery cell includes: a negative electrode plate, a positive electrode plate, and an electrolyte solution. The negative electrode plate includes a negative electrode current collector and a negative electrode film layer. The positive electrode plate includes a positive electrode current collector and a positive electrode film layer. At least one of the negative electrode film layer, the positive electrode film layer, and the electrolyte solution includes a lithium-containing compound.
Resumen de: US2025260065A1
The present disclosure provides a laminated battery that has both reduced moisture deterioration and improved volumetric energy density. A laminated battery of the disclosure comprises a stack and a sealing material. A laminated battery of the disclosure has at least part of the stack, other than one outermost current collector, encapsulated by one outermost current collector through a sealing material, and has one outermost current collector covering the stack other than at one current collector, so that at least part of the outer perimeter edge of the other outermost current collector is covered by a sealing material. In other words, the other outermost current collector has at least part of a side where the active material is not stacked, which extends from at least part of the outer perimeter edge of the other outermost current collector, covered by one outermost current collector via the sealing material.
Resumen de: US2025260071A1
A power storage module includes a first active material layer and a second active material layer, a separator disposed between the first active material layer and the second active material layer, and a gas discharge restricting portion. The second active material layer includes a main surface positioned toward the first active material layer. The main surface includes an opposite region that is opposite the first active material layer. The gas discharge restricting portion is provided on the main surface and is provided in a position being outside the opposite region and adjoining the opposite region.
Resumen de: US2025260067A1
A method of manufacturing a solid-state secondary battery according to one embodiment of the present invention includes a first joining step of press-joining a positive electrode active material layer and a solid electrolyte layer to obtain a positive electrode layer-solid electrolyte layer assembly, a second joining step of press-joining the solid electrolyte layer and an intermediate layer in the positive electrode layer-solid electrolyte layer assembly to obtain a positive electrode layer-solid electrolyte layer-intermediate layer assembly, a densifying step of press-molding the positive electrode layer-solid electrolyte layer-intermediate layer assembly in a thickness direction so that a porosity of each of the positive electrode active material layer and the solid electrolyte layer is 5% or less, and a third joining step of press-joining the intermediate layer in the positive electrode layer-solid electrolyte layer-intermediate layer assembly, and the negative electrode layer to obtain an electrode laminate.
Resumen de: US2025260144A1
An electrode assembly comprises a positive electrode plate, a negative electrode plate, and a separator, where the separator is disposed between the positive electrode plate and the negative electrode plate; the expansion layer is disposed between the positive electrode plate and the negative electrode plate, and the expansion layer is used for expansion in response to a preset condition to cut off an electrical connection between the positive electrode plate and the negative electrode plate.
Resumen de: US2025257315A1
Described herein are carbo-ionic cultures and extracts and applications thereof. The carbo-ionic cultures are grown in media containing an organic component and an inorganic component and the proportions and compositions of these components can be tailored to produce carbo-ionic extracts with specific properties such as, for example, the ability to provide power to a light emitting diode (LED) with a specific voltage. The carbo-ionic cultures and extracts have further uses including enhancing the growth of plants, including plants grown from tissue culture, and as supplemental nutrients for cultures of industrially, commercially, and/or scientifically-important microorganisms. Also described herein are microbial electric circuits comprising the carbo-ionic cultures and extracts described herein as well as applications of those circuits.
Resumen de: US2025257278A1
Processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Pyrolysis in the presence of an inert gas is employed to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu/lb, 13,000 Btu/lb, 14,000 Btu/lb, or 14,500 Btu/lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and/or strength that derive from the feedstock, heat rate, and additives.
Resumen de: US2025257277A1
Processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Pyrolysis in the presence of an inert gas is employed to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu/lb, 13,000 Btu/lb, 14,000 Btu/lb, or 14,500 Btu/lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and/or strength that derive from the feedstock, heat rate, and additives.
Resumen de: US2025257228A1
An aspect of the present disclosure relates to a dispersant composition for an electrode of a power storage device. The dispersant composition contains an acrylic polymer (A), an amine compound (B) with a boiling point of 200° C. or less, and an organic solvent (C). The acrylic polymer (A) contains a constitutional unit a represented by the following formula (1). The compound (B) is at least one amine compound selected from the group consisting of a secondary aliphatic amine, a tertiary aliphatic amine, an aromatic amine, and a heterocyclic amine.
Resumen de: US2025259988A1
An electrochemical apparatus includes a positive electrode plate, the positive electrode plate includes a positive electrode current collector and a positive electrode active material layer disposed on one or two sides of the positive electrode current collector, and the positive electrode active material layer includes a positive electrode active material. A ratio of Dv99 of the positive electrode active material to thickness H1 of the positive electrode active material layer on a single side of the positive electrode current collector satisfies 0.5≤Dv99/H1≤0.9. Agglomeration regions with a bright spot having a diameter D0 greater than or equal to 20 μm are observed on a surface of the positive electrode active material layer under a scanning electron microscope, and the agglomeration regions have a number density less than or equal to 5 pcs/cm2 per unit area on the surface of the positive electrode active material layer.
Resumen de: US2025260094A1
A heat-insulation protection layer includes a first surface and a second surface oriented back-to-back against each other. The first surface is configured to face a heat source. An axial heat transfer coefficient T1 of the heat-insulation protection layer is less than a transverse heat transfer coefficient T2 of the heat-insulation protection layer. Heat generated by the heat source radiates to the first surface. When a temperature of the first surface is less than or equal to 1600° C., that is, when the heat radiates to the first surface and makes the temperature of the first surface be less than or equal to 1600° C., a temperature of the second surface does not exceed 1200° C.
Resumen de: US2025260015A1
A binder that hardly causes gelation even when mixed with a positive electrode active material containing nickel, and has sufficient adhesiveness in a small amount. The binder contains a vinylidene fluoride polymer, the vinylidene fluoride polymer includes a structural unit derived from vinylidene fluoride and two or more kinds of structural units having a carboxy group, and a viscosity ratio of slurry determined by a specific method is 100% or less.
Resumen de: US2025260021A1
The present disclosure relates to an energy storage medium apparatus having an electrically conductive anode having a plurality of randomly extending anode portions propagating in three dimensions, and an electrically conductive cathode having a plurality of randomly extending cathode portions propagating in three dimensions. The randomly extending anode portions and the randomly extending cathode portions are interpenetrating in three dimensions while maintaining a separation therebetween.
Resumen de: US2025260091A1
A method for producing an inter-cell cooling unit. A heat sink extending in a longitudinal extension direction is provided in the form of an extruded profile, which includes an interior with at least one cooling channel through which a coolant can flow, and which is delimited in the longitudinal extension direction by a first end region with a front-side first opening region which opens into the environment. A first connection unit with at least one first connection opening, which is different from the first opening region, is formed from the first end region.
Resumen de: US2025260248A1
Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case has at least two access ports, at least two leads, or at least one access port and at least one lead and at least one USB port. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, and a tablet. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and generators. The portable power case provides for modularity that allows the user to disassemble and selectively remove the batteries installed within the portable power case housing.
Resumen de: US2025260128A1
Provided is a technique that does not inhibit an intrusion of the electrolytic solution from outside to inside of the electrode assembly, and that can suppress the electrolytic solution from outflowing to the outside from the inside of the electrode assembly. A herein disclosed electric storage device includes the electrode assembly including a positive electrode, a negative electrode, and a separator, includes an electrolytic solution, and includes a case configured to accommodate the electrode assembly and the electrolytic solution. The electric storage device includes a reverse flow inhibiting groove on a surface of the separator. The reverse flow inhibiting groove is a groove in which the electrolytic solution flows from the outside to the inside of the electrode assembly, and is a groove which is in a pattern for inhibiting the electrolytic solution from flowing to the outside from the inside of the electrode assembly.
Resumen de: US2025260244A1
A power supply device includes a first power source, a second power source, a switch circuit including a first switch to a third switch, a first reactor, a second reactor, and a control device configured to control the switch circuit and to alternately switch between a first state in which the first power source is connected between the first node and the fourth node via the first reactor and the second power source is connected to both ends of the second reactor and a second state in which the second power source is connected between the first node and the fourth node via the second reactor and the first power source is connected to both ends of the first reactor.
Resumen de: US2025260240A1
To provide a battery control circuit with a novel structure, a battery protection circuit with a novel structure, and a power storage device including the battery circuit. The semiconductor device includes n cell-balance circuits (n is an integer greater than or equal to 1). One secondary battery is electrically connected to one cell-balance circuit. The cell-balance circuit includes a comparison circuit, and a memory element is electrically connected to an inverting input terminal of the comparison circuit. The memory element includes a first transistor and a capacitor. A potential is retained. The retained potential changes in accordance with a change in a potential of a negative electrode of the secondary battery. The comparison circuit has a function of comparing the retained potential with a potential of a positive electrode of the secondary battery. Output from the comparison circuit controls a gate voltage of a second transistor electrically connected to the secondary battery in parallel. The first transistor includes a metal oxide including indium in a channel formation region.
Resumen de: US2025256976A1
Provided are a method for preparing a lithium carbonate, a lithium carbonate prepared using the same, and a rechargeable lithium battery including a positive electrode active material prepared using the same, and more particularly, to a method for preparing a lithium carbonate, including mixing a lithium nickel-based composite oxide and a coating solution to form a first mixture where the coating solution includes a coating raw material, a precipitant, and a solvent, filtering the first mixture to recover a washing solution containing at least 1000 ppm of lithium, filtering the washing solution, mixing and heating the filtered washing solution and sodium carbonate to form a second mixture, and filtering, washing, and drying the second mixture, wherein the heating is performed at a temperature of about 50° C. to about 80° C.
Resumen de: US2025256966A1
The present invention is directed to method for producing a carbon material having a sulfur content of less than 0.8 wt %, a BET specific surface area of less than 20 m2/g and an average crystallite size in the direction of the c axis (Lc) of less than 10 Å, as determined using X-ray diffraction. The method comprises the steps of providing a biobased carbon precursor, having a sulfur content in the range of from 1.0 to 5.0 wt %; subjecting the biobased carbon precursor to heat treatment in an inert atmosphere to obtain a carbon material; and subjecting the carbon material to a de-sulfurization treatment in an inert atmosphere comprising a hydrogen gas and/or at least one carbon-containing gas, so as to remove sulfur from the carbon material and obtain a carbon material having a sulfur content of less than 0.8 wt %.
Nº publicación: US2025256969A1 14/08/2025
Solicitante:
ARTIENCE CO LTD [JP]
TOYOCOLOR CO LTD [JP]
artience Co., Ltd,
TOYOCOLOR CO., LTD
Resumen de: US2025256969A1
A carbon nanotube dispersion composition includes carbon nanotubes (A), a dispersant (B), and a solvent (C). A particle diameter D50 at a cumulative volume of 50% according to laser diffraction particle size distribution measurement is 0.3 to 7 μm, and (1) and (2) below are satisfied. (1) The dispersant (B) is a polymer that has a weight average molecular weight of 5,000 or more and 360,000 or less and includes a carboxyl group-containing structural unit derived from at least one of (meth)acrylic acid and (meth)acrylate having a carboxyl group. (2) When the particle diameter D50 at a cumulative volume of 50% according to laser diffraction particle size distribution measurement of the carbon nanotube dispersion composition is X μm, and a pH is Y, X and Y satisfy (Formula a) and (Formula b) below:Y≥-0.149X+4.545(Formulaa)Y≤-0.134X+5.140.(Formulab)
BOPI
Sede Electrónica
